The 800MHz SMR band has been divided into 25 blocks. All channels in 800MHz SMR are
25kHz each. Three unequal blocks (A, B, and C) are in the 816 to 821 mobile / 861 to
866 base bandwidth. Six equal blocks (D, DD, E, EE, F, and FF) are in the 806 to
809.75 mobile / 851 to 854.75 base bandwidth.

In addition there are 16 groups of five channels where the channels are spread across
811-816 mobile / 856-861 base range spaced 1MHz apart. There are also Public Safety,
Industrial / Land Transportation & Business Pool channels in that range, assigned by
other means.